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Q-Tech QT66HCD User Manual

Page 3

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MIL-PRF-55310/29C

3

REQUIREMENTS:

Interface and physical dimensions: See figure 1.

Mounting: See figure 1.

Pads: See figure 1.
`
Seal: Hermetic in accordance with

MIL-PRF-55310

, maximum leakage rate 5 x 10

-8

atm cc/s.


Weight: 3 grams, maximum.

Oscillator: Class 2 or any class 1 or class 3 oscillator meeting all class 2 requirements and verification tests
specified herein and in

MIL-PRF-55310

.


Calibration: Manufacturer calibrated.

Screening: In accordance with

MIL-PRF-55310

, product level B or S, as applicable.


Temperature:

Operating: See table I.

Storage: -62

°C to +125°C.


Load test circuit: See figure 2.

Supply voltage: +5.0 V dc

±10 percent.


Supply current: See table I.

Overvoltage survivability: In accordance with

MIL-PRF-55310

.


Start-up time: 15 ms maximum, measurement shall be taken at reference temperature and operating temperature
range end points.

Nominal output frequency: Specified nominal frequency (see table I).

Output levels at designated load: See figure 3.

Logic 1: 0.9 V

DD

, minimum.


Logic 0: 0.1 V

DD

, maximum.


Output waveform: Symmetrical square wave, HCMOS logic compatible (see figure 3).

Duty cycle: See table I and figure 3.

Rise and fall times: See table I and figure 3.

Enable/disable:

Output disabled (high impedance):

Pad 32 input = 0.8 V dc maximum.

Output enabled:

Pad 32 input = 2.0 V dc minimum.


Initial frequency accuracy at +23

°C: See table I.